Speed limit

A speed limit is the maximum speed allowed by law for vehicles on a road. (Also, an axiom of Einstein's relativity theories states that the speed limit of the Universe is the speed of light in a vacuum, i.e., 299,792,458 metres per second.)

Enforcement

There are various means of enforcing set speed limits. Usually police and state highway patrol officers use radar, laser detection equipment, planes, and automated devices to enforce speed limits.

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In several countries, notably the Netherlands and the United Kingdom, an increase in automated speed enforcement has resulted in a significant increase in the number of fake licence plates.

Related Topics:
Netherlands - United Kingdom

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According to the AASHTO, "experience has ... shown that speed limits set arbitrarily below the reasonable and prudent speed perceived by the public are difficult to enforce, produce noncompliance, encourage disrespect for the law, create unnecessary antagonism toward law enforcement officers, and divert traffic to lesser routes"http://www.ibiblio.org/rdu/aashtosl.html Arbitrarily low speed limits also make violators out of otherwise reasonable drivers.

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